Added help list

2 files changed, 26 insertions, 10 deletions

diff --git a/README.md b/README.md
index 88b4956..7aec104 100644
--- a/README.md
+++ b/README.md
@@ -14,4 +14,6 @@ pkg-screenshot.sh [options] package
 
 ### Options
 
+**-h, --help** - Print a help list
+
 **--no-download** - Open the image URL instead of saving an image file in /tmp/
diff --git a/pkg-screenshot.sh b/pkg-screenshot.sh
index 3438606..6095898 100755
--- a/pkg-screenshot.sh
+++ b/pkg-screenshot.sh
@@ -2,15 +2,29 @@
 
 if [ -z $1 ]; then
 	echo "Error: Missing package name"
-	echo "Usage: pkg-screenshot.sh package"
+	echo "Usage: pkg-screenshot.sh [options] package"
 fi
 
-if [ $1 != "--no-download" ]; then
-	URL=`wget -qO- https://screenshots.debian.net/json/package/$1 | jq '.screenshots[0].large_image_url' | tr -d \"`
-	EXTENSION=`echo $URL | rev | cut -d . -f 1 | rev`
-	wget -qO /tmp/pkg-screenshot.$EXTENSION $URL
-	xdg-open /tmp/pkg-screenshot.$EXTENSION
-else
-	URL=`wget -qO- https://screenshots.debian.net/json/package/$2 | jq '.screenshots[0].large_image_url' | tr -d \"`
-	xdg-open $URL
-fi
+case $1 in
+#if [[ $1 == "-h" || $1 == "--help" ]]; then
+	-h|--help)
+		echo "Usage: pkg-screenshot.sh [options] package"
+		echo ""
+		echo " -h, --help     	give this help list"
+		echo " --no-download		Open the image URL instead of saving an image file in /tmp/"
+		;;
+
+#elif [ $1 != "--no-download" ]; then
+	--no-download)
+		URL=`wget -qO- https://screenshots.debian.net/json/package/$2 | jq '.screenshots[0].large_image_url' | tr -d \"`
+		xdg-open $URL
+		;;
+
+#else
+	*)
+		URL=`wget -qO- https://screenshots.debian.net/json/package/$1 | jq '.screenshots[0].large_image_url' | tr -d \"`
+		EXTENSION=`echo $URL | rev | cut -d . -f 1 | rev`
+		wget -qO /tmp/pkg-screenshot.$EXTENSION $URL
+		xdg-open /tmp/pkg-screenshot.$EXTENSION
+		;;
+esac